Mark Donald Schaefer

Title: Mark Donald Schaefer: Innovator in Display Solutions

Introduction

Mark Donald Schaefer is an accomplished inventor based in Oconomowoc, WI (US). He holds a total of 3 patents that showcase his innovative contributions to display solutions. His work focuses on improving the functionality and stability of display card holder assemblies.

Latest Patents

Schaefer's latest patents include a "Fastener assembly for display cards, signs and the like." This invention features a turnbuckle that allows for manual locking and unlocking of a display holder, enhancing the stability of information displays on vehicles and structures. The turnbuckle is designed to be paired with a base, creating a secure fixture that can accommodate various display holder embodiments.

Another notable patent is the "Display card holder assembly and methods." This invention provides an improved assembly that includes a sleeve, collar, and holder, all designed to work together to increase stability and reduce vibration. The assembly features multiple embodiments, including a button mechanism, lever mechanism, and hinge mechanism, each aimed at enhancing the overall performance of the card holder assembly.

Career Highlights

Throughout his career, Schaefer has worked with notable companies such as Randall Marketing International Inc. and Orbis Corporation. His experience in these organizations has contributed to his expertise in developing innovative display solutions.

Collaborations

Schaefer has collaborated with professionals like M Randall Pasternak and Joachim Banik, further enriching his work through shared knowledge and expertise.

Conclusion

Mark Donald Schaefer's contributions to the field of display solutions through his patents demonstrate his commitment to innovation and improvement. His work continues to influence the way information is presented in various settings.